@article{Guzmán Urrego_1988, title={Editorial}, volume={8}, url={https://revistabiomedica.org/index.php/biomedica/article/view/1944}, DOI={10.7705/biomedica.v8i1-2.1944}, number={1-2}, journal={Biomédica}, author={Guzmán Urrego, Miguel}, year={1988}, month={jun.}, pages={2} }